QT and P wave dispersion and heart rate variability in patients with Dravet syndrome
SCN1A mutations are found in up to 80 % of patients with Dravet syndrome (DS), and the sudden unexpected death in epilepsy (SUDEP) rate is higher in DS than in most forms of severe epilepsy. The aim of this study is to examine the autonomic cardiac function and the risk of arrhythmia in DS patients...
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| Veröffentlicht in: | Acta neurologica Belgica 2013-06, Vol.113 (2), p.161-166 |
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| creator | Ergul, Yakup Ekici, Baris Tatli, Burak Nisli, Kemal Ozmen, Meral |
| description | SCN1A mutations are found in up to 80 % of patients with Dravet syndrome (DS), and the sudden unexpected death in epilepsy (SUDEP) rate is higher in DS than in most forms of severe epilepsy. The aim of this study is to examine the autonomic cardiac function and the risk of arrhythmia in DS patients by evaluating QT and P wave dispersion and heart rate variability (HRV) using standard electrocardiography (ECG) and 24-h ECG. The study group consisted of 15 patients (9 boys and 6 girls aged 3.5–17 years) who were genetically diagnosed with DS. The control group comprised 20 healthy subjects, 13 boys and 7 girls aged 4–17 years. P wave dispersion (44.6 ± 3.5 ms), QT dispersion (58.8 ± 7.5 ms) and QTc dispersion (70.8 ± 7.4 ms) were significantly higher in DS patients as compared to the control group (
p
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| doi_str_mv | 10.1007/s13760-012-0140-z |
| format | Article |
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p
< 0.001 for all values). However, there was no significant difference in PR, QT or QTc length between the groups. 24-h Holter ECG showed that all HRV parameters were significantly lower in patients with DS. The decreased HRV and increased P wave and QT dispersion seen in DS patients are important signs of autonomic dysfunction with increased adrenergic tone. To determine whether autonomic dysfunction is correlated with SUDEP in DS, long-term electrocardiographic monitoring and wider prospective studies are necessary.</description><identifier>ISSN: 0300-9009</identifier><identifier>EISSN: 2240-2993</identifier><identifier>DOI: 10.1007/s13760-012-0140-z</identifier><identifier>PMID: 23065439</identifier><language>eng</language><publisher>Milan: Springer Milan</publisher><subject>Adolescent ; Anticonvulsants - therapeutic use ; Autonomic Nervous System Diseases - epidemiology ; Autonomic Nervous System Diseases - physiopathology ; Biomedical and Life Sciences ; Biomedicine ; Child ; Child, Preschool ; Death, Sudden, Cardiac - epidemiology ; Electrocardiography ; Electrocardiography, Ambulatory ; Epilepsies, Myoclonic - drug therapy ; Epilepsies, Myoclonic - epidemiology ; Epilepsies, Myoclonic - physiopathology ; Female ; Heart - innervation ; Heart - physiology ; Heart Rate - physiology ; Humans ; Male ; Medicine/Public Health ; Neurology ; Neuroradiology ; Neurosciences ; Original Article ; Risk Factors ; Sinoatrial Node - innervation ; Sinoatrial Node - physiology</subject><ispartof>Acta neurologica Belgica, 2013-06, Vol.113 (2), p.161-166</ispartof><rights>Belgian Neurological Society 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-5178a3ebab4cc215b59c9de9c74a12de65467df95f141a4ad52437ff6735e19d3</citedby><cites>FETCH-LOGICAL-c377t-5178a3ebab4cc215b59c9de9c74a12de65467df95f141a4ad52437ff6735e19d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s13760-012-0140-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13760-012-0140-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23065439$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ergul, Yakup</creatorcontrib><creatorcontrib>Ekici, Baris</creatorcontrib><creatorcontrib>Tatli, Burak</creatorcontrib><creatorcontrib>Nisli, Kemal</creatorcontrib><creatorcontrib>Ozmen, Meral</creatorcontrib><title>QT and P wave dispersion and heart rate variability in patients with Dravet syndrome</title><title>Acta neurologica Belgica</title><addtitle>Acta Neurol Belg</addtitle><addtitle>Acta Neurol Belg</addtitle><description>SCN1A mutations are found in up to 80 % of patients with Dravet syndrome (DS), and the sudden unexpected death in epilepsy (SUDEP) rate is higher in DS than in most forms of severe epilepsy. The aim of this study is to examine the autonomic cardiac function and the risk of arrhythmia in DS patients by evaluating QT and P wave dispersion and heart rate variability (HRV) using standard electrocardiography (ECG) and 24-h ECG. The study group consisted of 15 patients (9 boys and 6 girls aged 3.5–17 years) who were genetically diagnosed with DS. The control group comprised 20 healthy subjects, 13 boys and 7 girls aged 4–17 years. P wave dispersion (44.6 ± 3.5 ms), QT dispersion (58.8 ± 7.5 ms) and QTc dispersion (70.8 ± 7.4 ms) were significantly higher in DS patients as compared to the control group (
p
< 0.001 for all values). However, there was no significant difference in PR, QT or QTc length between the groups. 24-h Holter ECG showed that all HRV parameters were significantly lower in patients with DS. The decreased HRV and increased P wave and QT dispersion seen in DS patients are important signs of autonomic dysfunction with increased adrenergic tone. To determine whether autonomic dysfunction is correlated with SUDEP in DS, long-term electrocardiographic monitoring and wider prospective studies are necessary.</description><subject>Adolescent</subject><subject>Anticonvulsants - therapeutic use</subject><subject>Autonomic Nervous System Diseases - epidemiology</subject><subject>Autonomic Nervous System Diseases - physiopathology</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedicine</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Death, Sudden, Cardiac - epidemiology</subject><subject>Electrocardiography</subject><subject>Electrocardiography, Ambulatory</subject><subject>Epilepsies, Myoclonic - drug therapy</subject><subject>Epilepsies, Myoclonic - epidemiology</subject><subject>Epilepsies, Myoclonic - physiopathology</subject><subject>Female</subject><subject>Heart - innervation</subject><subject>Heart - physiology</subject><subject>Heart Rate - physiology</subject><subject>Humans</subject><subject>Male</subject><subject>Medicine/Public Health</subject><subject>Neurology</subject><subject>Neuroradiology</subject><subject>Neurosciences</subject><subject>Original Article</subject><subject>Risk Factors</subject><subject>Sinoatrial Node - innervation</subject><subject>Sinoatrial Node - physiology</subject><issn>0300-9009</issn><issn>2240-2993</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkMtOAyEYRonRaFN9ADeGpZtRroMsTb0mTdSkrgkz_KOYuVSgbdqnF626VBICgfN9kIPQMSVnlBB1HilXJSkIZXkKUmx20IixvGFa8100IpyQQhOiD9BRjG8kD1Eyqsp9dMA4KaXgeoRmTzNse4cf8couATsf5xCiH_qv01ewIeFgE-ClDd5WvvVpjX2P5zZ56FPEK59e8VXI4YTjundh6OAQ7TW2jXD0vY7R8831bHJXTB9u7yeX06LmSqVCUnVhOVS2EnXNqKykrrUDXSthKXOQv1gq12jZUEGtsE4ywVXTlIpLoNrxMTrd9s7D8L6AmEznYw1ta3sYFtHQkkuSn-Lif5RLKZRknGeUbtE6DDEGaMw8-M6GtaHEfKo3W_Umqzef6s0mZ06-6xdVB-438SM6A2wLxHzVv0Awb8Mi9NnOH60fbimOMg</recordid><startdate>20130601</startdate><enddate>20130601</enddate><creator>Ergul, Yakup</creator><creator>Ekici, Baris</creator><creator>Tatli, Burak</creator><creator>Nisli, Kemal</creator><creator>Ozmen, Meral</creator><general>Springer Milan</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7TK</scope></search><sort><creationdate>20130601</creationdate><title>QT and P wave dispersion and heart rate variability in patients with Dravet syndrome</title><author>Ergul, Yakup ; Ekici, Baris ; Tatli, Burak ; Nisli, Kemal ; Ozmen, Meral</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-5178a3ebab4cc215b59c9de9c74a12de65467df95f141a4ad52437ff6735e19d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adolescent</topic><topic>Anticonvulsants - therapeutic use</topic><topic>Autonomic Nervous System Diseases - epidemiology</topic><topic>Autonomic Nervous System Diseases - physiopathology</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Death, Sudden, Cardiac - epidemiology</topic><topic>Electrocardiography</topic><topic>Electrocardiography, Ambulatory</topic><topic>Epilepsies, Myoclonic - drug therapy</topic><topic>Epilepsies, Myoclonic - epidemiology</topic><topic>Epilepsies, Myoclonic - physiopathology</topic><topic>Female</topic><topic>Heart - innervation</topic><topic>Heart - physiology</topic><topic>Heart Rate - physiology</topic><topic>Humans</topic><topic>Male</topic><topic>Medicine/Public Health</topic><topic>Neurology</topic><topic>Neuroradiology</topic><topic>Neurosciences</topic><topic>Original Article</topic><topic>Risk Factors</topic><topic>Sinoatrial Node - innervation</topic><topic>Sinoatrial Node - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ergul, Yakup</creatorcontrib><creatorcontrib>Ekici, Baris</creatorcontrib><creatorcontrib>Tatli, Burak</creatorcontrib><creatorcontrib>Nisli, Kemal</creatorcontrib><creatorcontrib>Ozmen, Meral</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Neurosciences Abstracts</collection><jtitle>Acta neurologica Belgica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ergul, Yakup</au><au>Ekici, Baris</au><au>Tatli, Burak</au><au>Nisli, Kemal</au><au>Ozmen, Meral</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>QT and P wave dispersion and heart rate variability in patients with Dravet syndrome</atitle><jtitle>Acta neurologica Belgica</jtitle><stitle>Acta Neurol Belg</stitle><addtitle>Acta Neurol Belg</addtitle><date>2013-06-01</date><risdate>2013</risdate><volume>113</volume><issue>2</issue><spage>161</spage><epage>166</epage><pages>161-166</pages><issn>0300-9009</issn><eissn>2240-2993</eissn><abstract>SCN1A mutations are found in up to 80 % of patients with Dravet syndrome (DS), and the sudden unexpected death in epilepsy (SUDEP) rate is higher in DS than in most forms of severe epilepsy. The aim of this study is to examine the autonomic cardiac function and the risk of arrhythmia in DS patients by evaluating QT and P wave dispersion and heart rate variability (HRV) using standard electrocardiography (ECG) and 24-h ECG. The study group consisted of 15 patients (9 boys and 6 girls aged 3.5–17 years) who were genetically diagnosed with DS. The control group comprised 20 healthy subjects, 13 boys and 7 girls aged 4–17 years. P wave dispersion (44.6 ± 3.5 ms), QT dispersion (58.8 ± 7.5 ms) and QTc dispersion (70.8 ± 7.4 ms) were significantly higher in DS patients as compared to the control group (
p
< 0.001 for all values). However, there was no significant difference in PR, QT or QTc length between the groups. 24-h Holter ECG showed that all HRV parameters were significantly lower in patients with DS. The decreased HRV and increased P wave and QT dispersion seen in DS patients are important signs of autonomic dysfunction with increased adrenergic tone. To determine whether autonomic dysfunction is correlated with SUDEP in DS, long-term electrocardiographic monitoring and wider prospective studies are necessary.</abstract><cop>Milan</cop><pub>Springer Milan</pub><pmid>23065439</pmid><doi>10.1007/s13760-012-0140-z</doi><tpages>6</tpages></addata></record> |
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| subjects | Adolescent Anticonvulsants - therapeutic use Autonomic Nervous System Diseases - epidemiology Autonomic Nervous System Diseases - physiopathology Biomedical and Life Sciences Biomedicine Child Child, Preschool Death, Sudden, Cardiac - epidemiology Electrocardiography Electrocardiography, Ambulatory Epilepsies, Myoclonic - drug therapy Epilepsies, Myoclonic - epidemiology Epilepsies, Myoclonic - physiopathology Female Heart - innervation Heart - physiology Heart Rate - physiology Humans Male Medicine/Public Health Neurology Neuroradiology Neurosciences Original Article Risk Factors Sinoatrial Node - innervation Sinoatrial Node - physiology |
| title | QT and P wave dispersion and heart rate variability in patients with Dravet syndrome |
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